susan mcginnis is in washington with more. susan, good morning to you. >> hi. good morning, terrell. the president said the nation is failing to keep its children safe, and he promised to use the power of his office to prevent future tragedies, saying we can't accept events like these as routine. >> these tragedies must end. and to end them, we must change. >> reporter: the president never mentioned any specific steps he is willing to take, but his speech in newtown, connecticut, signaling he may be willing to tackle the issue of gun control. >> no single law, no set of laws can eliminate evil from the world or prevent every senseless act of violence in our society, but that can't be an excuse for an action. >> reporter: some congressional democrats say friday's event made the time right to review the assault weapons ban that expired in 2004. >> when the public is left upset, when developments happen one after another, the public will not accept as a new normal one of these incidents every month, these mass shootings. >> reporter: but passing gun control legisl